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It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report.
False. It is not essential.
You want to implement following relationships when designing tables. How would you do it? a.) One-to-one b.) One-to-many c.) Many-to-many a.) One-to-One relationship -
What are the advantages of object oriented databases in comparison with others? Why it is still not widely used? Object oriented designs are coherent, efficient and less prone
Write a query that display ename annual salary and comm from emp table
Define Cascading rollback The phenomenon where a single transaction failure leads to a series of transaction rollbacks is known as Cascading rollback.
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
Normal 0 false false false EN-US X-NONE X-NONE
What is an ER diagram? Why is it used in Database management system (DBMS)?
Thank you, for your expert advice. You have provided very useful answer.
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